diff options
Diffstat (limited to 'pjlib/src/pj/sock_qos_bsd.c')
-rw-r--r-- | pjlib/src/pj/sock_qos_bsd.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/pjlib/src/pj/sock_qos_bsd.c b/pjlib/src/pj/sock_qos_bsd.c new file mode 100644 index 00000000..32b2828e --- /dev/null +++ b/pjlib/src/pj/sock_qos_bsd.c @@ -0,0 +1,130 @@ +/* $Id$ */ +/* + * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <pj/sock_qos.h> +#include <pj/assert.h> +#include <pj/errno.h> +#include <pj/string.h> + +/* This is the implementation of QoS with BSD socket's setsockopt(), + * using IP_TOS and SO_PRIORITY + */ +#if !defined(PJ_QOS_IMPLEMENTATION) || PJ_QOS_IMPLEMENTATION==PJ_QOS_BSD + +PJ_DEF(pj_status_t) pj_sock_set_qos_params(pj_sock_t sock, + pj_qos_params *param) +{ + pj_status_t last_err = PJ_ENOTSUP; + pj_status_t status; + + /* No op? */ + if (!param->flags) + return PJ_SUCCESS; + + /* Clear WMM field since we don't support it */ + param->flags &= ~(PJ_QOS_PARAM_HAS_WMM); + + /* Set TOS/DSCP */ + if (param->flags & PJ_QOS_PARAM_HAS_DSCP) { + int val = param->dscp_val; + status = pj_sock_setsockopt(sock, pj_SOL_IP(), pj_IP_TOS(), + &val, sizeof(val)); + if (status != PJ_SUCCESS) { + param->flags &= ~(PJ_QOS_PARAM_HAS_DSCP); + last_err = status; + } + } + + /* Set SO_PRIORITY */ + if (param->flags & PJ_QOS_PARAM_HAS_802_1_P) { + int val = param->so_prio; + status = pj_sock_setsockopt(sock, pj_SOL_SOCKET(), pj_SO_PRIORITY(), + &val, sizeof(val)); + if (status != PJ_SUCCESS) { + param->flags &= ~(PJ_QOS_PARAM_HAS_802_1_P); + last_err = status; + } + } + + return param->flags ? PJ_SUCCESS : last_err; +} + +PJ_DEF(pj_status_t) pj_sock_set_qos_type(pj_sock_t sock, + pj_qos_type type) +{ + pj_qos_params param; + pj_status_t status; + + status = pj_qos_get_params(type, ¶m); + if (status != PJ_SUCCESS) + return status; + + return pj_sock_set_qos_params(sock, ¶m); +} + + +PJ_DEF(pj_status_t) pj_sock_get_qos_params(pj_sock_t sock, + pj_qos_params *p_param) +{ + pj_status_t last_err = PJ_ENOTSUP; + int val, optlen; + pj_status_t status; + + pj_bzero(p_param, sizeof(*p_param)); + + /* Get DSCP/TOS value */ + optlen = sizeof(val); + status = pj_sock_getsockopt(sock, pj_SOL_IP(), pj_IP_TOS(), + &val, &optlen); + if (status == PJ_SUCCESS) { + p_param->flags |= PJ_QOS_PARAM_HAS_DSCP; + p_param->dscp_val = (pj_uint8_t)val; + } else { + last_err = status; + } + + /* Get SO_PRIORITY */ + optlen = sizeof(val); + status = pj_sock_getsockopt(sock, pj_SOL_SOCKET(), pj_SO_PRIORITY(), + &val, &optlen); + if (status == PJ_SUCCESS) { + p_param->flags |= PJ_QOS_PARAM_HAS_802_1_P; + p_param->so_prio = (pj_uint8_t)val; + } else { + last_err = status; + } + + /* WMM is not supported */ + + return p_param->flags ? PJ_SUCCESS : last_err; +} + +PJ_DEF(pj_status_t) pj_sock_get_qos_type(pj_sock_t sock, + pj_qos_type *p_type) +{ + pj_qos_params param; + pj_status_t status; + + status = pj_sock_get_qos_params(sock, ¶m); + if (status != PJ_SUCCESS) + return status; + + return pj_qos_get_type(¶m, p_type); +} + +#endif /* PJ_QOS_IMPLEMENTATION */ |